Malicious PDF — malware analysis report

Static analysis result for SHA-256 cce0d9a1dcb23e5c…

MALICIOUS

PDF

47.7 KB Created: 2021-06-07 14:43:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: b896069a419bb847bce83a9d77a8a8f6 SHA-1: 51a5a47b99ea5d22f34738f98a0f823529b5579e SHA-256: cce0d9a1dcb23e5c1229e53b132d1312c1355d63705d4a69599915f981581512
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a high-confidence heuristic indicating it links to a game hack lure, specifically mentioning 'roblox-dragon-ball-z-final-stand-hack-level-game-hack'. The document body, though partially corrupted, also contains references to game hacks and a URL. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a malicious intent to redirect users to potentially harmful content, likely for initial access via social engineering.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.tw/app/431946152/roblox-dragon-ball-z-final-stand-hack-level-game-hack PDF link annotation
    • http://advancedaudiosystems.org/images/minecraft-font-free_GM479516143.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-minecraft-mods_GM479516143.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/coin-master-free-spins-generator_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/robux-no-survey_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/how-to-become-a-hacker-in-roblox_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/roblox-scam_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/how-do-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/is-tiktok-free-app_GM835599320.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-100-robux_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/roblox-booga-hack_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/rbx-earn_GM431946152.pdfIn PDF document text
    • http://advancedaudiosystems.org/images/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000051d3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51D3 24592 bytes
SHA-256: 241ba56811f2b46626a83eaf2cc1cfac593217a7f3b3a7ef5b19af29b85a7a85
font_01_sfnt_off00008a9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A9A 2852 bytes
SHA-256: e9630f3bb738ae3bc329a423cf069c8035d70ce2227e3557c42815f85ad3284f
font_02_sfnt_off0000945b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x945B 19408 bytes
SHA-256: 5040ecf5319484b362e4b033ccefa97da3d6943943504cb6ef384b02cb504d7d